Steel Blue

#307BB0

Blue

Color Codes

All color formats for development

HEX
#307BB0
RGB
rgb(48, 123, 176)
HSL
hsl(205, 57%, 44%)
OKLCH
oklch(0.561 0.11 243.2)
CMYK
cmyk(73%, 30%, 0%, 31%)

Accessibility

WCAG contrast compliance

On White Background

4.58:1

AA AAA

On Black Background

4.59:1

AA AAA
Run full accessibility check

Tailwind Scale

50-950 scale matching Tailwind CSS naming

50
#F3F8
100
#E3EF
200
#CBE1
300
#A3CA
400
#73AE
500
#4B97
600
#307B
700
#2662
800
#1B46
900
#122D
950
#0B1C

Shades

Darker variations

1#2B6F9F
2#27628D
3#22567B
4#1D4A6A
5#183D58
6#133146
7#0E2535
8#0A1923
9#050C12

Tints

Lighter variations

1#368AC7
2#4C98CE
3#62A5D4
4#78B1DA
5#8FBEE0
6#A5CBE6
7#BCD8ED
8#D2E5F3
9#E9F2F9

Tones

Muted variations

1#377AAA
2#3D79A3
3#43789D
4#4A7797
5#507690
6#57748A
7#5D7383
8#63727D
9#6A7177

Usage Guidelines

Recommended use cases for each shade level

LevelColorTypical Use Cases
50
F3F8
#F3F8FC
BackgroundsSubtle highlightsCard backgrounds
100
E3EF
#E3EFF7
Light backgroundsTable row hoverSkeleton loading
200
CBE1
#CBE1F1
Secondary backgroundsInput backgroundsDividers
300
A3CA
#A3CAE6
BordersInactive statesPlaceholder text
400
73AE
#73AED9
Disabled statesSecondary iconsMuted text
500
4B97
#4B97CE
Primary brand colorCTAsActive elementsLinks
600
307B
#307BB0
Hover statesFocus ringsPrimary buttons hover
700
2662
#26628C
Active/pressed statesDark mode accentsSecondary text
800
1B46
#1B4664
Text on light backgroundsHeadingsStrong borders
900
122D
#122D40
Primary textHigh emphasis contentDark headings
950
0B1C
#0B1C28
Maximum contrast textDark mode backgrounds

Export Code

Copy ready-to-use code for your project

:root {
  --steel-blue-50: #F3F8FC;
  --steel-blue-100: #E3EFF7;
  --steel-blue-200: #CBE1F1;
  --steel-blue-300: #A3CAE6;
  --steel-blue-400: #73AED9;
  --steel-blue-500: #4B97CE;
  --steel-blue-600: #307BB0;
  --steel-blue-700: #26628C;
  --steel-blue-800: #1B4664;
  --steel-blue-900: #122D40;
  --steel-blue-950: #0B1C28;
}
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